linux-kernel - [RFC PATCH v2 8/9] ia64: allocate sys

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Message-Id: <1441642556-30972-9-git-send-email-mathieu.desnoyers@efficios.com>
Date:	Mon,  7 Sep 2015 12:15:55 -0400
From:	Mathieu Desnoyers <mathieu.desnoyers@...icios.com>
To:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-api@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org,
	Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
	Tony Luck <tony.luck@...el.com>,
	Fenghua Yu <fenghua.yu@...el.com>, linux-ia64@...r.kernel.org
Subject: [RFC PATCH v2 8/9] ia64: allocate sys_membarrier system call number

[ Untested on this architecture. To try it out: fetch linux-next/akpm,
  apply this patch, build/run a membarrier-enabled kernel, and do make
  kselftest. ]

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@...icios.com>
CC: Andrew Morton <akpm@...ux-foundation.org>
CC: linux-api@...r.kernel.org
CC: Tony Luck <tony.luck@...el.com>
CC: Fenghua Yu <fenghua.yu@...el.com>
CC: linux-ia64@...r.kernel.org
---
 arch/ia64/include/asm/unistd.h      | 2 +-
 arch/ia64/include/uapi/asm/unistd.h | 1 +
 arch/ia64/kernel/entry.S            | 1 +
 3 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/arch/ia64/include/asm/unistd.h b/arch/ia64/include/asm/unistd.h
index 95c39b9..1d54e17 100644
--- a/arch/ia64/include/asm/unistd.h
+++ b/arch/ia64/include/asm/unistd.h
@@ -11,7 +11,7 @@
 
 
 
-#define NR_syscalls			319 /* length of syscall table */
+#define NR_syscalls			320 /* length of syscall table */
 
 /*
  * The following defines stop scripts/checksyscalls.sh from complaining about
diff --git a/arch/ia64/include/uapi/asm/unistd.h b/arch/ia64/include/uapi/asm/unistd.h
index 4610795..b7aae55 100644
--- a/arch/ia64/include/uapi/asm/unistd.h
+++ b/arch/ia64/include/uapi/asm/unistd.h
@@ -332,5 +332,6 @@
 #define __NR_memfd_create		1340
 #define __NR_bpf			1341
 #define __NR_execveat			1342
+#define __NR_membarrier			1343
 
 #endif /* _UAPI_ASM_IA64_UNISTD_H */
diff --git a/arch/ia64/kernel/entry.S b/arch/ia64/kernel/entry.S
index ae0de7b..1ce01f9 100644
--- a/arch/ia64/kernel/entry.S
+++ b/arch/ia64/kernel/entry.S
@@ -1768,5 +1768,6 @@ sys_call_table:
 	data8 sys_memfd_create			// 1340
 	data8 sys_bpf
 	data8 sys_execveat
+	data8 sys_membarrier
 
 	.org sys_call_table + 8*NR_syscalls	// guard against failures to increase NR_syscalls
-- 
1.9.1

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